diff options
Diffstat (limited to 'lib/srv6.c')
| -rw-r--r-- | lib/srv6.c | 116 |
1 files changed, 116 insertions, 0 deletions
diff --git a/lib/srv6.c b/lib/srv6.c new file mode 100644 index 0000000000..be340f13f5 --- /dev/null +++ b/lib/srv6.c @@ -0,0 +1,116 @@ +/* + * SRv6 definitions + * Copyright (C) 2020 Hiroki Shirokura, LINE Corporation + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the Free + * Software Foundation; either version 2 of the License, or (at your option) + * any later version. + * + * This program is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for + * more details. + * + * You should have received a copy of the GNU General Public License along + * with this program; see the file COPYING; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#include "srv6.h" +#include "log.h" + +const char *seg6local_action2str(uint32_t action) +{ + switch (action) { + case ZEBRA_SEG6_LOCAL_ACTION_END: + return "End"; + case ZEBRA_SEG6_LOCAL_ACTION_END_X: + return "End.X"; + case ZEBRA_SEG6_LOCAL_ACTION_END_T: + return "End.T"; + case ZEBRA_SEG6_LOCAL_ACTION_END_DX2: + return "End.DX2"; + case ZEBRA_SEG6_LOCAL_ACTION_END_DX6: + return "End.DX6"; + case ZEBRA_SEG6_LOCAL_ACTION_END_DX4: + return "End.DX4"; + case ZEBRA_SEG6_LOCAL_ACTION_END_DT6: + return "End.DT6"; + case ZEBRA_SEG6_LOCAL_ACTION_END_DT4: + return "End.DT4"; + case ZEBRA_SEG6_LOCAL_ACTION_END_B6: + return "End.B6"; + case ZEBRA_SEG6_LOCAL_ACTION_END_B6_ENCAP: + return "End.B6.Encap"; + case ZEBRA_SEG6_LOCAL_ACTION_END_BM: + return "End.BM"; + case ZEBRA_SEG6_LOCAL_ACTION_END_S: + return "End.S"; + case ZEBRA_SEG6_LOCAL_ACTION_END_AS: + return "End.AS"; + case ZEBRA_SEG6_LOCAL_ACTION_END_AM: + return "End.AM"; + case ZEBRA_SEG6_LOCAL_ACTION_UNSPEC: + return "unspec"; + default: + return "unknown"; + } +} + +int snprintf_seg6_segs(char *str, + size_t size, const struct seg6_segs *segs) +{ + str[0] = '\0'; + for (size_t i = 0; i < segs->num_segs; i++) { + char addr[INET6_ADDRSTRLEN]; + bool not_last = (i + 1) < segs->num_segs; + + inet_ntop(AF_INET6, &segs->segs[i], addr, sizeof(addr)); + strlcat(str, addr, size); + strlcat(str, not_last ? "," : "", size); + } + return strlen(str); +} + +const char *seg6local_context2str(char *str, size_t size, + struct seg6local_context *ctx, uint32_t action) +{ + char b0[128]; + + switch (action) { + + case ZEBRA_SEG6_LOCAL_ACTION_END: + snprintf(str, size, "USP"); + return str; + + case ZEBRA_SEG6_LOCAL_ACTION_END_X: + case ZEBRA_SEG6_LOCAL_ACTION_END_DX6: + inet_ntop(AF_INET6, &ctx->nh6, b0, 128); + snprintf(str, size, "nh6 %s", b0); + return str; + + case ZEBRA_SEG6_LOCAL_ACTION_END_DX4: + inet_ntop(AF_INET, &ctx->nh4, b0, 128); + snprintf(str, size, "nh4 %s", b0); + return str; + + case ZEBRA_SEG6_LOCAL_ACTION_END_T: + case ZEBRA_SEG6_LOCAL_ACTION_END_DT6: + case ZEBRA_SEG6_LOCAL_ACTION_END_DT4: + snprintf(str, size, "table %u", ctx->table); + return str; + + case ZEBRA_SEG6_LOCAL_ACTION_END_DX2: + case ZEBRA_SEG6_LOCAL_ACTION_END_B6: + case ZEBRA_SEG6_LOCAL_ACTION_END_B6_ENCAP: + case ZEBRA_SEG6_LOCAL_ACTION_END_BM: + case ZEBRA_SEG6_LOCAL_ACTION_END_S: + case ZEBRA_SEG6_LOCAL_ACTION_END_AS: + case ZEBRA_SEG6_LOCAL_ACTION_END_AM: + case ZEBRA_SEG6_LOCAL_ACTION_UNSPEC: + default: + snprintf(str, size, "unknown(%s)", __func__); + return str; + } +} |